The STM32F303CBT6 is a microcontroller from STMicroelectronics, which is part of the STM32 family. The STM32 series is based on ARM Cortex-M cores and is known for its high performance, low Power consumption, and wide variety of peripherals and interface s.
To meet your request, here’s a detailed explanation of the STM32F303CBT6 pin function specifications, pinout diagram, circuit principle instructions, and a FAQ section.
Overview of STM32F303CBT6
Manufacturer: STMicroelectronics Series: STM32F3 series Core: ARM Cortex-M4 Flash Memory : 512 KB RAM: 96 KB Package Type: LQFP-64 (64 pins)The STM32F303CBT6 features a 64-pin package (LQFP), and each pin serves different purposes for I/O, power, Communication , and peripheral control. Below is a detailed list of the pin functions in a table format.
Pinout and Function Table (64 pins)
Pin Number Pin Name Function Description 1 VDD Power supply (3.3V) 2 VSS Ground 3 PA13 SWDIO (Serial Wire Debug Data) 4 PA14 SWCLK (Serial Wire Debug Clock ) 5 PA15 SWDIO or IO Pin 6 PB3 TIM2CH2, SPI1SCK 7 PB4 TIM3CH1, SPI1MISO 8 PB5 TIM3CH2, SPI1MOSI 9 PB6 I2C1SCL, USART1TX 10 PB7 I2C1SDA, USART1RX 11 PC13 User Button 12 PC14 TMS (JTAG/SWD) 13 PC15 TCK (JTAG/SWD) 14 PD0 USART2RX, I2C2SDA 15 PD1 USART2TX, I2C2SCL 16 PD2 TIM4_CH3 17 PD3 TIM4_CH4 18 PD4 Analog Input 19 PD5 Analog Input 20 PD6 Analog Input 21 PD7 Analog Input 22 PE0 TIM5CH1, I2C3SCL 23 PE1 TIM5CH2, I2C3SDA 24 PE2 Analog Input 25 PE3 Analog Input 26 PE4 Analog Input 27 PE5 Analog Input 28 PE6 Analog Input 29 PE7 Analog Input 30 PF0 Analog Input 31 PF1 Analog Input 32 PF2 Analog Input 33 PF3 Analog Input 34 PF4 Analog Input 35 PF5 Analog Input 36 PF6 Analog Input 37 PF7 Analog Input 38 PG0 Analog Input 39 PG1 Analog Input 40 PG2 Analog Input 41 PG3 Analog Input 42 PG4 Analog Input 43 PG5 Analog Input 44 PG6 Analog Input 45 PG7 Analog Input 46 PG8 Analog Input 47 PG9 Analog Input 48 VDD Power Supply (3.3V) 49 VSS Ground 50 NRST Reset Pin 51 VCAP Voltage Regulator Capacitor 52 BOOT0 Boot Mode Selector 53 PC12 USART1_TX 54 PA0 ADC_IN0 55 PA1 ADC_IN1 56 PA2 USART2_TX 57 PA3 USART2_RX 58 PA4 Analog Input 59 PA5 Analog Input 60 PA6 SPI1_MISO 61 PA7 SPI1_MOSI 62 PA8 I2C2_SDA 63 PA9 I2C2_SCL 64 PA10 I2C1_SCLCircuit Principle
Power Supply (VDD/VSS): These pins are used for providing power to the STM32F303CBT6, typically from a 3.3V supply. VSS is the ground reference for all voltage levels in the device. Analog Inputs (PA0-PA7, PB0-PB7, PC0-PC7, PD0-PD7, PE0-PE7, PF0-F7, PG0-G7): These pins are used to connect sensors or other analog devices that require ADC (Analog to Digital Converter) functionality. Communication (USART, SPI, I2C): The STM32F303CBT6 provides various communication protocols for interfacing with external devices, such as UART, SPI, and I2C, through pins like PA9, PA10, PB3, PB4, and so on. Debugging (SWDIO, SWCLK, TMS, TCK): These pins are used for debugging the device via Serial Wire Debug (SWD), allowing you to program and monitor the microcontroller during development.20 Common FAQ about STM32F303CBT6
Q: What is the operating voltage range of the STM32F303CBT6? A: The operating voltage range is typically between 2.0V and 3.6V.
Q: How many ADC channels does the STM32F303CBT6 support? A: The STM32F303CBT6 supports up to 16 ADC channels.
Q: How do I reset the STM32F303CBT6? A: The reset can be triggered using the NRST pin or through a software reset via the appropriate registers.
Q: Can I use the STM32F303CBT6 for power-sensitive applications? A: Yes, the STM32F303CBT6 has low-power modes suitable for power-sensitive applications.
Q: Does the STM32F303CBT6 have a watchdog timer? A: Yes, it includes both independent and window watchdog timers.
Q: How many PWM outputs are available on the STM32F303CBT6? A: The STM32F303CBT6 has several PWM outputs available on timers, such as TIM2, TIM3, and TIM4.
Q: What is the clock frequency of the STM32F303CBT6? A: The maximum clock frequency of the STM32F303CBT6 is 72 MHz.
Q: Can I use SPI or I2C for communication with external sensors? A: Yes, both SPI and I2C are supported for communication with external sensors.
Q: Does the STM32F303CBT6 have hardware encryption features? A: The STM32F303CBT6 includes hardware support for cryptographic operations like AES and HASH.
Q: Can I use the STM32F303CBT6 in automotive applications? A: Yes, the STM32F303CBT6 is capable of handling automotive environments with appropriate temperature ratings.
Q: How many timers does the STM32F303CBT6 have? A: The STM32F303CBT6 features several timers, including general-purpose timers and advanced-control timers.
Q: What kind of debugging tools can be used with the STM32F303CBT6? A: You can use ST-Link or J-Link for debugging via the SWD interface.
Q: How many GPIO pins does the STM32F303CBT6 have? A: The STM32F303CBT6 has up to 48 general-purpose I/O pins.
Q: Does the STM32F303CBT6 support USB communication? A: Yes, the STM32F303CBT6 supports USB 2.0 full-speed device communication.
Q: What is the maximum operating temperature for STM32F303CBT6? A: The maximum operating temperature is typically 85°C, suitable for industrial applications.
Q: Can I use STM32CubeMX to configure the STM32F303CBT6? A: Yes, STM32CubeMX is fully supported for configuration and code generation.
Q: What is the package type of the STM32F303CBT6? A: The STM32F303CBT6 comes in a 64-pin LQFP (Low-Profile Quad Flat Package).
Q: How many DAC channels are available in the STM32F303CBT6? A: The STM32F303CBT6 provides two DAC channels.
Q: Does the STM32F303CBT6 have built-in temperature sensors? A: Yes, it features a built-in temperature sensor.
Q: How do I interface with external memory? A: You can interface with external memory via the FSMC (Flexible Static Memory Controller).
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